Main Shaft Snap Ring & Adjusting Washer Selection

WARNING: This page is about a different variant/trim than selected.

NOTE: In the following conditions, perform the procedures below.

Insert the drive pinion assembly into the adapter plate.
NOTE: Confirm that the thrust bearing outer race has not been removed and the drive pinion is not lifted.
Set the height gauge to the adapter plate. Lower the height gauge indicator to the mating surface of the adapter plate and case, and set to zero points.
ST 18853AA000 HEIGHT GAUGE

Fig 1: Setting Height Gauge To Adapter Plate
Courtesy of SUBARU OF AMERICA, INC.
NOTE:
- The adapter plate will be the base point for the measurement. Use a scraper to remove any gasket material remaining on the end face.
- During measurement, do not place the height gauge in the shaded area shown in the figure.
Fig 2: Identifying Adapter Plate
Courtesy of SUBARU OF AMERICA, INC.
Measure the height to the ball bearing end face (height H).

Fig 3: Measuring Height To Ball Bearing End Face
Courtesy of SUBARU OF AMERICA, INC.

NOTE: Set the height gauge indicator near the measurement target, and lock dial (1) as shown in the figure. Turn dial (2), and set the indicator to the end face of the bearing.

Fig 4: Turning Ball Bearing End Face
Courtesy of SUBARU OF AMERICA, INC.

Turn approximately 120° at a time, and measure the ball bearing in 5 locations. Round down the 2 highest and 2 lowest measurement values. The remaining center value is used as the measurement value.
According to the measurement value, select the snap ring and adjusting washer from the following table.